drainage trap meaning in English
污水槽
Examples
- Don t alter drainage traps and pipes
切勿擅自改装去水管， - To maintain a clean environment , drainage traps should be filled with enough water and disinfected regularly
去水渠的隔气弯管需要有足够贮水，还要定期消毒。 - To maintain a clean environment , drainage traps should be filled with enough water and disinfected regularly
保持环境生，去水渠的隔气弯管需要有足够贮水，还要定期消毒。